C31321211113313121133133313331333133313223313331333132322212121   >>    C3132121111331312113313331333133313331322331333133313232221212   <<    C31321211113313121133133313331333133313223313331333132322212123   >>      C31321211113313121133133313331333133313223313331333132322212122   >>